@inproceedings{beyer2019s4l,
  author={L. {Beyer} and X. {Zhai} and A. {Oliver} and A. {Kolesnikov}},
  booktitle={2019 IEEE/CVF International Conference on Computer Vision (ICCV)}, 
  title={S4L: Self-Supervised Semi-Supervised Learning}, 
  year={2019},
  pages={1476-1485},
  doi={10.1109/ICCV.2019.00156}
}
